Sparse representations of signals based on learned dictionaries have drawn considerable interest in recent years. However, the design of dictionaries adapting well to a set of training signals is still a challenging problem. For this task, we propose a novel algorithm based on DC (Difference of Convex functions) programming and DCA(DCAlgorithm). The efficiency of proposed algorithm will be demonstrated in image denoising application.
CITATION STYLE
Vo, X. T., Le Thi, H. A., Pham Dinh, T., & Nguyen, T. B. T. (2015). DC programming and DCA for dictionary learning. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 9329, pp. 295–304). Springer Verlag. https://doi.org/10.1007/978-3-319-24069-5_28
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